- luaotfload (v3.1 or later recommended)
- adobemapping (Adobe CMap files)
- LaTeX2e 2020-02-02 patch level 5 or later (if you want to use with LaTeX)
+ - l3kernel about 2023-10-10 or later
- etoolbox package
- ltxcmds package, pdftexcmds package
- filehook package, atbegshi package (for LaTeX2e 2020-02-02)
- Harano Aji fonts (https://github.com/trueroad/HaranoAjiFonts)
more specifically, HaranoAjiMincho-Regular and HaranoAjiGothic-Medium
- Using LuaTeX-ja with LuaHBTeX is not well tested.
+ Using LuaTeX-ja with Harfbuzz is not well tested.
One might be able to typeset documents without an error, but with
some unwanted results.